/* =====================================================================
   Website cơ điện MEP — CSS thuần, viết tay, mobile-first (360px → 1440px)
   Không có style inline trong HTML (CSP chặt). Font: Nunito (Google Fonts).
   ===================================================================== */

:root {
  --xanh-dam: #0F4C8C;
  --xanh-sang: #1568CE;
  --xanh-toi: #0A3566;
  --vang: #C8901E;           /* vàng đồng của logo — chỉ trang trí trên nền trắng */
  --vang-sang: #E6AE45;      /* chữ vàng trên nền xanh đậm (≥ 4:1, chữ lớn đạt AA) */
  --vang-dam: #8A5A00;       /* chữ vàng trên nền trắng: 5.9:1 (đạt AA) */
  --xanh-nhat: #EAF2FC;
  --nen-xam: #F4F7FB;
  --chu: #2B2F36;            /* ~ đen 80% */
  --chu-phu: #4A5566;        /* tương phản 7.4:1 trên nền trắng */
  --vien: #DCE4EE;
  --vien-o-nhap: #7A8AA0;    /* 3.5:1 — đạt 1.4.11 cho viền ô nhập */
  --do: #B42318;
  --xanh-la: #05603A;
  --trang: #fff;
  --focus: #0A3566;
  --bo: 12px;
  --bo-nho: 8px;
  --bong: 0 6px 24px rgba(15, 76, 140, .12);
  --bong-dam: 0 14px 40px rgba(15, 76, 140, .22);
  --header-h: 84px;
  --container: 1280px;
  --font: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --chuyen: .25s ease;
}

/* ------------------------------------------------------------------ reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.65; color: var(--chu);
  background: var(--trang); overflow-x: hidden; text-rendering: optimizeLegibility;
}
img, svg, iframe { max-width: 100%; }
img { height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; line-height: 1.3; font-weight: 800; color: var(--xanh-dam); }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
a { color: var(--xanh-sang); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--xanh-dam); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }
main:focus { outline: none; }

/* ------------------------------------------------------------------ tiện ích & a11y */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .container { padding: 0 24px; } }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 1000; background: var(--xanh-dam); color: #fff;
  padding: 10px 16px; border-radius: var(--bo-nho); font-weight: 700; transition: top var(--chuyen);
}
.skip-link:focus { top: 12px; color: #fff; }
.is-dark { --focus: #FFD166; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.icon { width: 20px; height: 20px; flex: none; vertical-align: middle; }
.icon--sm { width: 16px; height: 16px; }
.icon--xs { width: 12px; height: 12px; }
.gioi-han-doc { max-width: 880px; margin-left: auto; margin-right: auto; }
.trong { text-align: center; padding: 40px 16px; background: var(--nen-xam); border-radius: var(--bo); color: var(--chu-phu); }
.nhan-cho { display: inline-block; font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: 99px; background: #FFF4DB; color: #7A4B00; }

/* ------------------------------------------------------------------ nút */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px;
  padding: 10px 24px; border-radius: var(--bo-nho); border: 2px solid transparent; font-weight: 800;
  font-size: 15px; text-transform: uppercase; letter-spacing: .02em; text-decoration: none;
  transition: background var(--chuyen), color var(--chuyen), border-color var(--chuyen), transform var(--chuyen);
}
.btn:hover { transform: translateY(-1px); }
.btn--chinh { background: var(--xanh-dam); color: #fff; }
.btn--chinh:hover { background: var(--xanh-sang); color: #fff; }
.btn--vien { border-color: var(--xanh-dam); color: var(--xanh-dam); background: #fff; }
.btn--vien:hover { background: var(--xanh-dam); color: #fff; }
.btn--trang { background: #fff; color: var(--xanh-dam); }
.btn--trang:hover { background: var(--xanh-nhat); color: var(--xanh-toi); }
.btn--vien-trang { border-color: #fff; color: #fff; background: transparent; }
.btn--vien-trang:hover { background: #fff; color: var(--xanh-dam); }
.btn--nho { min-height: 38px; padding: 6px 16px; font-size: 13px; }
.btn--khoi { width: 100%; }

/* nút lục giác (slider/carousel): hình lục giác nằm trong span để outline focus không bị cắt */
.hex-btn { width: 56px; height: 64px; padding: 0; border: 0; background: none; color: #fff; display: inline-grid; place-items: center; }
.hex-btn__hinh {
  width: 100%; height: 100%; display: grid; place-items: center; background: rgba(255, 255, 255, .22);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  transition: background var(--chuyen), transform var(--chuyen);
}
.hex-btn:hover .hex-btn__hinh { background: var(--xanh-sang); transform: scale(1.06); }
.hex-btn .icon { width: 24px; height: 24px; }
.hex-btn--toi { color: #fff; }
.hex-btn--toi .hex-btn__hinh { background: var(--xanh-dam); }
.hex-btn--toi:hover .hex-btn__hinh { background: var(--xanh-sang); }
.hex-btn:disabled { cursor: default; opacity: .45; }
.hex-btn:disabled:hover .hex-btn__hinh { transform: none; }

/* ------------------------------------------------------------------ HEADER */
.site-header {
  position: sticky; top: 0; z-index: 100; background: #fff; height: var(--header-h);
  box-shadow: 0 2px 16px rgba(15, 76, 140, .12);
}
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: block; flex: none; }
.logo img { width: 160px; height: auto; }
@media (min-width: 1200px) { .logo img { width: 192px; } }

.nav-toggle {
  display: inline-grid; place-items: center; width: 48px; height: 48px; border: 0; border-radius: var(--bo-nho);
  background: var(--xanh-dam); color: #fff;
}
.nav-toggle .icon { width: 26px; height: 26px; grid-area: 1 / 1; }
.nav-toggle__dong { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__mo { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__dong { display: block; }

/* mobile: menu dạng bảng trượt dưới header */
.nav { background: var(--xanh-dam); }
.js .nav {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; overflow-y: auto;
  padding: 8px 0 32px; z-index: 99;
}
.js .nav.is-open { display: block; }
.no-js .nav { position: absolute; top: var(--header-h); left: 0; right: 0; }
.no-js .nav-toggle { display: none; }
.nav__list { list-style: none; }
.nav__item { position: relative; border-bottom: 1px solid rgba(255, 255, 255, .14); display: flex; flex-wrap: wrap; align-items: center; }
.nav__link {
  flex: 1; display: flex; align-items: center; gap: 6px; padding: 14px 20px; color: #fff; text-decoration: none;
  font-weight: 800; font-size: 15px; text-transform: uppercase; letter-spacing: .02em;
}
.nav__link:hover, .nav__link.is-active { color: #fff; background: var(--xanh-sang); }
.nav__caret { display: none; }
.nav__sub-toggle {
  width: 52px; height: 52px; border: 0; background: transparent; color: #fff; display: grid; place-items: center;
}
.nav__sub-toggle .icon { transition: transform var(--chuyen); }
.nav__sub-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }
.nav__sub { list-style: none; width: 100%; background: var(--xanh-toi); padding: 6px 0; }
.js .nav__sub { display: none; }
.js .nav__item.is-open > .nav__sub { display: block; }
.nav__sub-link { display: block; padding: 10px 20px 10px 36px; color: #fff; text-decoration: none; font-weight: 600; }
.nav__sub-link:hover, .nav__sub-link.is-active { background: rgba(255, 255, 255, .12); color: #fff; }

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .js .nav, .no-js .nav {
    display: block; position: static; overflow: visible; padding: 0 6px; border-radius: 10px;
    box-shadow: 0 4px 14px rgba(15, 76, 140, .25);
  }
  .nav__list { display: flex; align-items: center; }
  .nav__item { border: 0; flex-wrap: nowrap; }
  .nav__link { padding: 0 11px; height: 48px; font-size: 13px; border-radius: 8px; white-space: nowrap; }
  .nav__caret { display: block; opacity: .85; }
  .nav__sub-toggle { display: none; }
  .js .nav__sub, .nav__sub {
    display: block; position: absolute; top: calc(100% + 8px); left: 0; min-width: 250px; width: auto;
    background: #fff; border-radius: 10px; box-shadow: var(--bong-dam); padding: 8px;
    opacity: 0; visibility: hidden; transform: translateY(8px);
    transition: opacity var(--chuyen), transform var(--chuyen), visibility var(--chuyen);
  }
  .nav__sub::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
  .nav__item:hover > .nav__sub, .nav__item:focus-within > .nav__sub { opacity: 1; visibility: visible; transform: none; }
  .nav__sub-link { color: var(--chu); padding: 9px 14px; border-radius: 6px; font-size: 15px; white-space: nowrap; }
  .nav__sub-link:hover, .nav__sub-link.is-active { background: var(--xanh-nhat); color: var(--xanh-dam); }
  .nav__item:last-child .nav__sub, .nav__item:nth-last-child(2) .nav__sub { left: auto; right: 0; }
}
@media (min-width: 1200px) {
  .nav { padding: 0 8px; }
  .nav__link { padding: 0 15px; font-size: 14px; }
}

/* ------------------------------------------------------------------ tiêu đề khối */
.tieu-de { margin-bottom: 32px; }
.tieu-de--giua { text-align: center; }
.tieu-de__chu { font-size: clamp(24px, 3.2vw, 34px); text-transform: uppercase; letter-spacing: .02em; margin: 0; }
h1.tieu-de__chu { font-size: clamp(26px, 3.6vw, 38px); }
.tieu-de__deco {
  display: inline-block; position: relative; width: 132px; height: 14px; margin-top: 12px;
  background: linear-gradient(var(--xanh-sang), var(--xanh-sang)) left center / 52px 2px no-repeat,
              linear-gradient(var(--xanh-sang), var(--xanh-sang)) right center / 52px 2px no-repeat;
}
.tieu-de__deco::before {
  content: ""; position: absolute; left: 50%; top: 0; width: 14px; height: 14px; margin-left: -7px;
  background: var(--xanh-dam); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.tieu-de--trai { text-align: left; }
.is-dark .tieu-de__chu { color: #fff; }

/* ------------------------------------------------------------------ section chung */
.section { padding: 56px 0; }
@media (min-width: 1024px) { .section { padding: 80px 0; } }
.section--xam { background: var(--nen-xam); }
.section__mo-ta { max-width: 820px; margin: -8px auto 32px; text-align: center; color: var(--chu-phu); font-size: 17px; }
.section__nut { text-align: center; margin: 36px 0 0; }

/* ------------------------------------------------------------------ 1. HERO SLIDER */
.hero { position: relative; height: clamp(420px, 42vw, 544px); overflow: hidden; background: var(--xanh-toi); color: #fff; --focus: #FFD166; }
.hero__slides { position: absolute; inset: 0; }
.hero__slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .9s ease, visibility .9s; }
.hero__slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.hero__anh { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(6, 30, 60, .88) 0%, rgba(6, 30, 60, .62) 48%, rgba(6, 30, 60, .15) 100%);
}
.hero__noi-dung {
  position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center;
  align-items: flex-start; padding-top: 24px; padding-bottom: 72px;
}
.hero__noi-dung > * { max-width: 720px; }
.hero__tieu-de { color: #fff; font-size: clamp(26px, 3.8vw, 44px); font-weight: 800; line-height: 1.2; margin: 0 0 16px; text-transform: uppercase; }
.hero__phu-de { font-size: clamp(16px, 1.6vw, 19px); margin: 0 0 24px; color: #fff; }
.hero__phu-de--dam { font-weight: 700; margin-bottom: 8px; }
.hero__slide.is-active .hero__noi-dung > * { animation: len .8s ease both; }
.hero__slide.is-active .hero__noi-dung > *:nth-child(2) { animation-delay: .12s; }
.hero__slide.is-active .hero__noi-dung > *:nth-child(3) { animation-delay: .24s; }
@keyframes len { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hex-btn--truoc, .hex-btn--sau { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; display: none; }
.hex-btn--truoc { left: 16px; }
.hex-btn--sau { right: 16px; }
@media (min-width: 768px) {
  .hex-btn--truoc, .hex-btn--sau { display: inline-grid; }
  .hero__noi-dung { padding-left: 88px; padding-right: 88px; }
}
@media (min-width: 1400px) { .hero__noi-dung { padding-left: 24px; padding-right: 24px; } }
@media (min-width: 1400px) { .hex-btn--truoc { left: 32px; } .hex-btn--sau { right: 32px; } }
.hero__dieu-khien { position: absolute; left: 0; right: 0; bottom: 24px; z-index: 3; display: flex; justify-content: center; align-items: center; gap: 12px; }
.hero__cham { list-style: none; display: flex; gap: 8px; }
.hero__cham-nut {
  width: 24px; height: 24px; border: 0; padding: 0; background: none; display: grid; place-items: center;
}
.hero__cham-nut::before { content: ""; width: 12px; height: 12px; border-radius: 99px; background: rgba(255, 255, 255, .55); transition: width var(--chuyen), background var(--chuyen); }
.hero__cham-nut.is-active::before { width: 22px; background: #fff; }
.hero__cham-nut.is-active { width: 34px; }
.hero__dung { width: 36px; height: 36px; border-radius: 99px; border: 1px solid rgba(255, 255, 255, .6); background: rgba(0, 0, 0, .25); color: #fff; display: grid; place-items: center; }
.hero__icon-chay { display: none; }
.hero__dung[aria-pressed="true"] .hero__icon-dung { display: none; }
.hero__dung[aria-pressed="true"] .hero__icon-chay { display: block; }

/* ------------------------------------------------------------------ 2. THƯ NGỎ */
.thu-ngo__grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .thu-ngo__grid { grid-template-columns: 1.15fr .85fr; gap: 64px; } }
.thu-ngo__than p { color: var(--chu); }
.thu-ngo__ky { margin: 8px 0 28px; }
.thu-ngo__ky img { width: 180px; margin-bottom: 4px; }
.thu-ngo__ten { font-weight: 800; color: var(--xanh-dam); margin: 0; font-size: 18px; }
.thu-ngo__chuc-danh { color: var(--chu-phu); margin: 0; }
.thu-ngo__anh { position: relative; max-width: 480px; margin: 0 auto; width: 100%; }
.thu-ngo__anh::before {
  content: ""; position: absolute; inset: 24px -16px -16px 24px; border-radius: var(--bo);
  background: var(--xanh-nhat); border: 2px solid var(--xanh-sang); z-index: -1;
}
.thu-ngo__anh img { border-radius: var(--bo); box-shadow: var(--bong-dam); width: 100%; }
.thu-ngo { position: relative; z-index: 0; }

/* ------------------------------------------------------------------ 3. SỐ LIỆU */
.so-lieu { background: var(--xanh-dam); color: #fff; padding: 44px 0; background-image: linear-gradient(120deg, var(--xanh-dam), var(--xanh-toi)); }
.so-lieu__ds { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 12px; }
@media (min-width: 900px) { .so-lieu__ds { grid-template-columns: repeat(4, 1fr); } }
.so-lieu__muc { text-align: center; display: flex; flex-direction: column; align-items: center; }
@media (min-width: 900px) { .so-lieu__muc + .so-lieu__muc { border-left: 1px solid rgba(255, 255, 255, .25); } }
.so-lieu__so { font-size: clamp(36px, 5vw, 56px); font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.so-lieu__nhan { text-transform: uppercase; font-weight: 700; letter-spacing: .04em; font-size: 15px; margin-top: 6px; }

/* ------------------------------------------------------------------ CARD chung */
.the {
  position: relative; height: 100%; display: flex; flex-direction: column; background: #fff; border-radius: var(--bo);
  overflow: hidden; box-shadow: var(--bong); transition: box-shadow var(--chuyen), transform var(--chuyen);
}
.the:hover { box-shadow: var(--bong-dam); transform: translateY(-4px); }
.the__anh { overflow: hidden; aspect-ratio: 800 / 520; background: var(--xanh-nhat); }
.the__anh img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.the:hover .the__anh img { transform: scale(1.06); }
.the__than { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.the__ten { font-size: 19px; margin: 0; }
.the__link { color: var(--xanh-dam); text-decoration: none; }
.the__link::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.the__link:hover { color: var(--xanh-sang); }
.the__link:focus-visible { outline: none; }
.the:focus-within { outline: 3px solid var(--focus); outline-offset: 3px; }
.the__mo-ta { color: var(--chu-phu); margin: 0; font-size: 15px; display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.the__xem { margin-top: auto; padding-top: 6px; color: var(--xanh-sang); font-weight: 800; font-size: 14px; text-transform: uppercase; display: inline-flex; align-items: center; gap: 6px; }
.the__nhom { margin: 0; font-size: 13px; font-weight: 800; color: var(--xanh-sang); text-transform: uppercase; letter-spacing: .04em; }
.the__ngay { margin: 0; font-size: 14px; color: var(--chu-phu); display: flex; align-items: center; gap: 6px; }
.the__meta { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: auto; font-size: 14px; color: var(--chu-phu); }
.the__meta li { display: inline-flex; align-items: center; gap: 6px; }

.luoi { list-style: none; display: grid; gap: 24px; }
@media (min-width: 640px) { .luoi--3, .luoi--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .luoi--3 { grid-template-columns: repeat(3, 1fr); gap: 28px; } .luoi--4 { grid-template-columns: repeat(4, 1fr); } }

/* ------------------------------------------------------------------ 4. CAROUSEL LĨNH VỰC */
.carousel { position: relative; }
.carousel__track {
  list-style: none; display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
  padding: 8px 4px 24px; margin: 0 -4px; scrollbar-width: none;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__item { flex: 0 0 84%; scroll-snap-align: start; }
@media (min-width: 640px) { .carousel__item { flex-basis: calc((100% - 20px) / 2); } }
@media (min-width: 1024px) { .carousel__item { flex-basis: calc((100% - 3 * 24px) / 4); } .carousel__track { gap: 24px; } }
.carousel__nav { display: flex; justify-content: center; gap: 12px; margin-top: 8px; }
.no-js .carousel__nav { display: none; }

/* ------------------------------------------------------------------ 5. DỰ ÁN NỔI BẬT */
.du-an-noi-bat__grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .du-an-noi-bat__grid { grid-template-columns: 1fr 1fr; } }
.du-an-noi-bat__nho { list-style: none; display: grid; gap: 24px; }
@media (min-width: 560px) { .du-an-noi-bat__nho { grid-template-columns: 1fr 1fr; } }
.the-da { color: #fff; }
.du-an-noi-bat .the-da .the__anh { aspect-ratio: 4 / 3; height: 100%; }
.du-an-noi-bat .the-da { min-height: 220px; }
.du-an-noi-bat .the-da .the__than {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 48px 18px 16px; gap: 4px;
  background: linear-gradient(180deg, rgba(6, 30, 60, 0) 0%, rgba(6, 30, 60, .82) 42%, rgba(6, 30, 60, .95) 100%);
}
.du-an-noi-bat .the-da .the__ten { font-size: 17px; }
.du-an-noi-bat .the-da .the__link, .du-an-noi-bat .the-da .the__nhom, .du-an-noi-bat .the-da .the__meta { color: #fff; }
.du-an-noi-bat .the-da .the__link:hover { color: #fff; text-decoration: underline; }
.du-an-noi-bat .the-da { --focus: #0A3566; }
.the-da--lon { height: 100%; }
@media (min-width: 900px) {
  .du-an-noi-bat .the-da--lon .the__anh { aspect-ratio: auto; height: 100%; min-height: 460px; }
  .du-an-noi-bat .the-da--lon .the__ten { font-size: 24px; }
}

/* ------------------------------------------------------------------ 6. CTA */
.cta { background: linear-gradient(115deg, var(--xanh-dam) 0%, var(--xanh-toi) 100%); color: #fff; padding: 48px 0; position: relative; overflow: hidden; }
.cta::before {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 360px; background: rgba(255, 255, 255, .06);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.cta__inner { position: relative; display: grid; gap: 28px; align-items: center; }
@media (min-width: 1024px) { .cta__inner { grid-template-columns: 1.2fr 1fr; gap: 48px; } }
.cta__tieu-de { color: #fff; font-size: clamp(22px, 2.8vw, 30px); text-transform: uppercase; margin-bottom: 8px; }
.cta__phu-de { margin: 0; font-size: 17px; }
.cta__phai { display: flex; flex-direction: column; gap: 18px; }
@media (min-width: 1024px) { .cta__phai { align-items: flex-end; } }
.cta__hotline { display: flex; align-items: center; gap: 14px; }
.cta__hotline-icon { width: 54px; height: 54px; display: grid; place-items: center; background: #fff; color: var(--xanh-dam); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.cta__hotline-icon .icon { width: 24px; height: 24px; }
.cta__hotline-nhan { display: block; font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.cta__hotline-so { display: block; font-size: clamp(20px, 2.4vw, 26px); font-weight: 800; color: #fff; text-decoration: none; }
a.cta__hotline-so:hover { color: #fff; text-decoration: underline; }
.cta__nut { display: flex; flex-wrap: wrap; gap: 12px; }

/* ------------------------------------------------------------------ 7. VĂN PHÒNG */
.van-phong__grid { display: grid; gap: 28px; }
@media (min-width: 900px) { .van-phong__grid { grid-template-columns: 1fr 1.2fr; gap: 40px; } }
.van-phong__info { background: var(--nen-xam); border-radius: var(--bo); padding: 28px; border-left: 4px solid var(--xanh-dam); }
.van-phong__cty { font-weight: 800; font-size: 19px; color: var(--xanh-dam); text-transform: uppercase; }
.van-phong__muc { margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px dashed var(--vien); }
.van-phong__ten { font-size: 17px; margin-bottom: 8px; }
.van-phong__ban-do, .lien-he__ban-do { border-radius: var(--bo); overflow: hidden; box-shadow: var(--bong); background: var(--xanh-nhat); min-height: 280px; }
.van-phong__ban-do iframe, .lien-he__ban-do iframe { display: block; width: 100%; height: 100%; min-height: 360px; border: 0; }
.van-phong__ban-do img, .lien-he__ban-do img { width: 100%; height: 100%; object-fit: cover; }

.ds-lien-he { list-style: none; display: grid; gap: 10px; }
.ds-lien-he li { display: flex; gap: 10px; align-items: flex-start; }
.ds-lien-he .icon { margin-top: 3px; }
.ds-lien-he--sang .icon { color: var(--xanh-sang); }
.ds-thong-tin { list-style: none; display: grid; gap: 6px; font-size: 15px; color: var(--chu-phu); }
.ds-thong-tin li { display: flex; gap: 8px; align-items: center; }
.ds-thong-tin .icon { color: var(--xanh-sang); }
.ds-thong-tin strong { color: var(--chu); }

/* ------------------------------------------------------------------ FOOTER */
.site-footer {
  color: #fff;
  background: linear-gradient(180deg, rgba(15, 76, 140, .94), rgba(9, 45, 86, .97)), url("../img/footer-bg.svg") center bottom / cover no-repeat, var(--xanh-toi);
}
.site-footer a { color: #fff; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer__grid { display: grid; gap: 36px; padding-top: 56px; padding-bottom: 40px; }
@media (min-width: 900px) { .footer__grid { grid-template-columns: 1.1fr 1fr; gap: 64px; } }
.footer__ten { font-size: 20px; font-weight: 800; text-transform: uppercase; margin-bottom: 16px; }
.footer__tieu-de { color: #fff; font-size: 20px; text-transform: uppercase; }
.footer__ghi-chu { margin-top: 16px; font-size: 14px; opacity: .92; }
.footer__link { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; font-weight: 700; }
.mxh { list-style: none; display: flex; gap: 10px; margin-top: 18px; }
.mxh__nut { width: 42px; height: 42px; border-radius: 99px; display: grid; place-items: center; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .45); }
.mxh__nut:hover { background: var(--xanh-sang); }
.footer__day { border-top: 1px solid rgba(255, 255, 255, .22); padding: 16px 0; font-size: 14px; }
.footer__day p { margin: 0; }

/* ------------------------------------------------------------------ NÚT NỔI */
.nut-noi { position: fixed; right: 12px; bottom: 84px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.nut-noi__nut {
  position: relative; width: 46px; height: 46px; border-radius: 99px; display: grid; place-items: center; color: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .22); transition: transform var(--chuyen);
}
.nut-noi__nut:hover { transform: scale(1.08); color: #fff; }
.nut-noi__nut .icon { width: 22px; height: 22px; }
.nut-noi__nut--fb { background: #1668D9; }
.nut-noi__nut--zalo { background: #0068FF; }
.nut-noi__nut--mail { background: var(--xanh-dam); }
.nut-noi__nut--tel { background: #C4320A; }
.nut-noi__nut--tel::after {
  content: ""; position: absolute; inset: -4px; border-radius: 99px; border: 2px solid #C4320A; animation: rung 1.8s ease-out infinite;
}
@keyframes rung { from { transform: scale(.9); opacity: .9; } to { transform: scale(1.35); opacity: 0; } }
.nut-noi__nhan {
  position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%); white-space: nowrap; background: var(--chu);
  color: #fff; font-size: 13px; font-weight: 700; padding: 5px 10px; border-radius: 6px; opacity: 0; pointer-events: none;
  transition: opacity var(--chuyen);
}
.nut-noi__nut:hover .nut-noi__nhan, .nut-noi__nut:focus-visible .nut-noi__nhan { opacity: 1; }
@media (min-width: 768px) { .nut-noi { right: 18px; bottom: 96px; } .nut-noi__nut { width: 50px; height: 50px; } }
.len-dau {
  position: fixed; right: 12px; bottom: 24px; z-index: 90; width: 46px; height: 46px; border-radius: 10px; border: 0;
  background: var(--xanh-sang); color: #fff; display: grid; place-items: center; box-shadow: var(--bong);
}
@media (min-width: 768px) { .len-dau { right: 20px; } }

/* ------------------------------------------------------------------ BANNER TRANG CON + BREADCRUMB */
.banner { position: relative; height: 200px; background: var(--xanh-toi); overflow: hidden; }
@media (min-width: 768px) { .banner { height: 260px; } }
.banner__anh { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 30, 60, .78), rgba(6, 30, 60, .45)); }
.banner__inner { position: relative; z-index: 1; height: 100%; display: flex; align-items: center; justify-content: center; }
.banner__tieu-de { margin: 0; color: #fff; font-size: clamp(26px, 4vw, 42px); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; text-align: center; }
.breadcrumb { background: var(--nen-xam); border-bottom: 1px solid var(--vien); font-size: 15px; }
.breadcrumb__ds { list-style: none; display: flex; flex-wrap: wrap; padding: 12px 0; }
.breadcrumb__muc { display: inline-flex; align-items: center; color: var(--chu-phu); }
.breadcrumb__muc + .breadcrumb__muc::before { content: "›"; margin: 0 10px; color: var(--chu-phu); font-weight: 700; }
.breadcrumb a { color: var(--xanh-dam); text-decoration: none; font-weight: 700; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb__muc { min-width: 0; max-width: 100%; }
.breadcrumb [aria-current] {
  min-width: 0; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical;
  overflow-wrap: anywhere;
}
@media (min-width: 768px) { .breadcrumb [aria-current] { max-width: 60ch; -webkit-line-clamp: 1; line-clamp: 1; } }

/* ------------------------------------------------------------------ BỐ CỤC CÓ SIDEBAR */
.bo-cuc-sidebar { display: grid; gap: 32px; }
@media (min-width: 1024px) { .bo-cuc-sidebar { grid-template-columns: 280px 1fr; gap: 48px; align-items: start; } }
.bo-cuc-sidebar__chinh { min-width: 0; }
.bo-cuc-bai { display: grid; gap: 40px; }
@media (min-width: 1024px) { .bo-cuc-bai { grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; align-items: start; } }
.sidebar { display: grid; gap: 20px; }
@media (min-width: 1024px) { .sidebar { position: sticky; top: calc(var(--header-h) + 20px); } }
.sidebar__hop { background: #fff; border: 1px solid var(--vien); border-radius: var(--bo); overflow: hidden; box-shadow: var(--bong); }
.sidebar__tieu-de { margin: 0; padding: 14px 20px; background: var(--xanh-dam); color: #fff; font-weight: 800; text-transform: uppercase; }
.sidebar__ds { list-style: none; padding: 8px; }
.sidebar__link { display: block; padding: 10px 14px; border-radius: 6px; color: var(--chu); text-decoration: none; font-weight: 700; border-left: 3px solid transparent; }
.sidebar__link:hover { background: var(--xanh-nhat); color: var(--xanh-dam); }
.sidebar__link.is-active { background: var(--xanh-nhat); color: var(--xanh-dam); border-left-color: var(--xanh-sang); }
.sidebar__hop--xanh { background: linear-gradient(135deg, var(--xanh-dam), var(--xanh-toi)); color: #fff; padding: 22px; border: 0; }
.sidebar__tieu-de-nho { font-weight: 800; text-transform: uppercase; margin-bottom: 6px; }
.sidebar__tieu-de-nho--toi { color: var(--xanh-dam); margin: 20px 20px 0; }
.sidebar__hotline { display: flex; gap: 8px; align-items: center; font-size: 19px; font-weight: 800; }
.sidebar__hotline a { color: #fff; text-decoration: none; }
.sidebar__dinh .ds-thong-tin { padding: 16px 20px; }
.sidebar__dinh .btn--khoi { width: calc(100% - 40px); margin: 0 20px; }
.sidebar__dinh .sidebar__ds { padding-bottom: 12px; }
.sidebar__trong { padding: 16px 20px; margin: 0; color: var(--chu-phu); }
.ds-bai-nho { list-style: none; padding: 8px 16px; }
.bai-nho { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--vien); align-items: start; }
.bai-nho:last-child { border-bottom: 0; }
.bai-nho img { border-radius: 6px; aspect-ratio: 3 / 2; object-fit: cover; width: 96px; }
.bai-nho a { color: var(--chu); font-weight: 700; text-decoration: none; line-height: 1.4; display: block; }
.bai-nho a:hover { color: var(--xanh-sang); }
.bai-nho p { margin: 4px 0 0; font-size: 13px; color: var(--chu-phu); }

/* ------------------------------------------------------------------ NỘI DUNG SOẠN (prose) & SECTION */
.khoi { margin-bottom: 44px; }
.khoi__tieu-de { font-size: clamp(21px, 2.4vw, 26px); position: relative; padding-left: 16px; margin-bottom: 18px; }
.khoi__tieu-de::before { content: ""; position: absolute; left: 0; top: .2em; bottom: .2em; width: 5px; border-radius: 3px; background: var(--xanh-sang); }
.khoi__tieu-de--nho { font-size: 20px; }
.noi-dung { font-size: 17px; }
.noi-dung h2 { font-size: 23px; margin-top: 32px; }
.noi-dung h3 { font-size: 20px; margin-top: 24px; }
.noi-dung h4 { font-size: 18px; margin-top: 20px; }
.noi-dung ul, .noi-dung ol { padding-left: 24px; margin-bottom: 1em; }
.noi-dung li { margin-bottom: 6px; }
.noi-dung li::marker { color: var(--xanh-sang); font-weight: 800; }
.noi-dung img { border-radius: var(--bo-nho); margin: 16px 0; }
.noi-dung blockquote { margin: 20px 0; padding: 16px 20px; background: var(--xanh-nhat); border-left: 4px solid var(--xanh-sang); border-radius: 0 var(--bo-nho) var(--bo-nho) 0; }
.noi-dung a { font-weight: 700; }
.bang-cuon { overflow-x: auto; margin: 16px 0 24px; border-radius: var(--bo-nho); border: 1px solid var(--vien); }
.bang-cuon table { min-width: 520px; font-size: 15px; }
.bang-cuon th, .bang-cuon td { padding: 12px 14px; border-bottom: 1px solid var(--vien); text-align: left; vertical-align: top; }
.bang-cuon thead th { background: var(--xanh-dam); color: #fff; font-weight: 800; }
.bang-cuon tbody tr:nth-child(even) { background: var(--nen-xam); }
.bang-cuon tr:last-child td, .bang-cuon tr:last-child th { border-bottom: 0; }
.bang-tt { min-width: 0 !important; }
.bang-tt th { width: 40%; color: var(--xanh-dam); font-weight: 800; white-space: nowrap; }
.bang-tt th .icon { color: var(--xanh-sang); margin-right: 8px; }

.luoi-muc { list-style: none; display: grid; gap: 20px; }
@media (min-width: 640px) { .luoi-muc { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .luoi-muc { grid-template-columns: repeat(3, 1fr); } }
.o-muc { background: #fff; border: 1px solid var(--vien); border-radius: var(--bo); padding: 24px; box-shadow: var(--bong); display: flex; flex-direction: column; gap: 10px; align-items: flex-start; transition: transform var(--chuyen), border-color var(--chuyen); }
.o-muc:hover { transform: translateY(-3px); border-color: var(--xanh-sang); }
.o-muc__so {
  width: 56px; height: 62px; display: grid; place-items: center; background: var(--xanh-dam); color: #fff; font-weight: 800; font-size: 20px;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); overflow: hidden;
}
.o-muc__so img { width: 100%; height: 100%; object-fit: cover; }
.o-muc__ten { font-size: 18px; margin: 0; }
.o-muc__mo-ta { margin: 0; color: var(--chu-phu); }

.dong-thoi-gian { list-style: none; position: relative; padding-left: 28px; }
.dong-thoi-gian::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--vien); }
.dong-thoi-gian__moc { position: relative; padding: 0 0 24px 16px; }
.dong-thoi-gian__moc::before { content: ""; position: absolute; left: -26px; top: 6px; width: 16px; height: 16px; border-radius: 99px; background: #fff; border: 4px solid var(--xanh-sang); }
.dong-thoi-gian__nam { display: inline-block; font-weight: 800; color: #fff; background: var(--xanh-dam); padding: 2px 12px; border-radius: 99px; font-size: 14px; margin-bottom: 6px; }
.dong-thoi-gian__than h3 { font-size: 18px; margin-bottom: 4px; }
.dong-thoi-gian__than p { margin: 0; color: var(--chu-phu); }

.ds-check { list-style: none; display: grid; gap: 10px; }
.ds-check li { display: flex; gap: 10px; align-items: flex-start; }
.ds-check .icon { flex: none; margin-top: 5px; color: #fff; background: var(--xanh-sang); border-radius: 99px; padding: 2px; width: 18px; height: 18px; }

.faq { display: grid; gap: 12px; }
.faq__muc { background: var(--nen-xam); border: 1px solid var(--vien); border-radius: var(--bo-nho); }
.faq__muc[open] { background: #fff; border-color: var(--xanh-sang); box-shadow: var(--bong); }
.faq__hoi { cursor: pointer; list-style: none; padding: 16px 20px; font-weight: 800; color: var(--xanh-dam); display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq__hoi::-webkit-details-marker { display: none; }
.faq__mui { transition: transform var(--chuyen); }
.faq__muc[open] .faq__mui { transform: rotate(180deg); }
.faq__dap { padding: 0 20px 16px; }
.faq__dap p { margin: 0; }

.gioi-thieu__mo-dau { margin-bottom: 32px; }
.gioi-thieu__mo-dau img { width: 100%; border-radius: var(--bo); box-shadow: var(--bong); aspect-ratio: 800 / 420; object-fit: cover; }
.thu-ngo-day { padding: 28px; border-radius: var(--bo); background: var(--nen-xam); border-left: 4px solid var(--xanh-dam); }

/* ------------------------------------------------------------------ LĨNH VỰC CHI TIẾT */
.lv-chi-tiet__dau { text-align: center; }
.lv-chi-tiet__anh { display: grid; gap: 20px; margin-bottom: 36px; }
@media (min-width: 640px) { .lv-chi-tiet__anh { grid-template-columns: 1fr 1fr; } }
.lv-chi-tiet__anh img { width: 100%; border-radius: var(--bo); box-shadow: var(--bong); aspect-ratio: 800 / 520; object-fit: cover; }

/* ------------------------------------------------------------------ LỌC NHÓM & TAB */
.loc-nhom, .tab-tin { margin-bottom: 32px; }
.loc-nhom__ds, .tab-tin__ds { list-style: none; display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 10px; scrollbar-width: thin; }
@media (min-width: 900px) { .loc-nhom__ds { flex-wrap: wrap; justify-content: center; overflow: visible; } .tab-tin__ds { justify-content: center; } }
.loc-nhom__link, .tab-tin__link {
  display: inline-block; white-space: nowrap; padding: 9px 18px; border-radius: 99px; border: 1px solid var(--vien-o-nhap);
  color: var(--chu); text-decoration: none; font-weight: 700; font-size: 15px; background: #fff; transition: all var(--chuyen);
}
.loc-nhom__link:hover, .tab-tin__link:hover { border-color: var(--xanh-sang); color: var(--xanh-sang); }
.loc-nhom__link.is-active, .tab-tin__link.is-active { background: var(--xanh-dam); color: #fff; border-color: var(--xanh-dam); }
.loc-nhom__dem { font-weight: 600; opacity: .85; }
.tab-tin__link { text-transform: uppercase; padding: 10px 24px; }

/* ------------------------------------------------------------------ PHÂN TRANG */
.phan-trang { margin-top: 40px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.phan-trang__tom-tat { margin: 0; color: var(--chu-phu); font-size: 15px; }
.phan-trang__ds { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.phan-trang__so {
  min-width: 42px; height: 42px; padding: 0 10px; display: grid; place-items: center; border-radius: var(--bo-nho);
  border: 1px solid var(--vien-o-nhap); color: var(--chu); text-decoration: none; font-weight: 800; background: #fff;
}
a.phan-trang__so:hover { border-color: var(--xanh-sang); color: var(--xanh-sang); }
.phan-trang__so.is-active { background: var(--xanh-dam); color: #fff; border-color: var(--xanh-dam); }

/* ------------------------------------------------------------------ DỰ ÁN CHI TIẾT */
.da-chi-tiet__grid { display: grid; gap: 32px; margin-bottom: 40px; }
@media (min-width: 1024px) { .da-chi-tiet__grid { grid-template-columns: 1.25fr 1fr; gap: 44px; align-items: start; } }
.thu-vien__chinh { display: block; width: 100%; border-radius: var(--bo); overflow: hidden; box-shadow: var(--bong-dam); background: var(--xanh-nhat); }
.thu-vien__chinh img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.thu-vien__ds { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.thu-vien__nho { border-radius: 8px; }
.thu-vien__nho img { aspect-ratio: 1 / 1; }
.da-chi-tiet__tt .bang-cuon { margin-top: 0; }
.da-chi-tiet__hm-tieu-de { font-size: 18px; }
.chip-ds { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: var(--xanh-nhat); color: var(--xanh-dam); font-weight: 700; font-size: 14px; padding: 6px 12px; border-radius: 99px; }

/* ------------------------------------------------------------------ BÀI VIẾT */
.bai-viet { min-width: 0; }
.bai-viet__chuyen-muc { margin: 0 0 8px; }
.bai-viet__chuyen-muc a { font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; text-decoration: none; background: var(--xanh-nhat); padding: 4px 12px; border-radius: 99px; color: var(--xanh-dam); }
.bai-viet__tieu-de { font-size: clamp(26px, 3.4vw, 36px); }
.bai-viet__meta { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--chu-phu); font-size: 15px; padding-bottom: 16px; border-bottom: 1px solid var(--vien); margin-bottom: 20px; }
.bai-viet__meta li { display: inline-flex; align-items: center; gap: 6px; }
.bai-viet__tom-tat { font-size: 18px; font-weight: 700; color: var(--chu); }
.bai-viet__anh { margin: 0 0 24px; }
.bai-viet__anh img { width: 100%; border-radius: var(--bo); aspect-ratio: 800 / 460; object-fit: cover; }
.bai-viet__quay-lai { margin-top: 36px; }

/* ------------------------------------------------------------------ TUYỂN DỤNG */
.the-td .the__anh { aspect-ratio: 800 / 360; }
.td-chi-tiet { min-width: 0; }
.khoi--form { background: var(--nen-xam); border-radius: var(--bo); padding: 24px; border: 1px solid var(--vien); }
@media (min-width: 768px) { .khoi--form { padding: 32px; } }

/* ------------------------------------------------------------------ HỢP TÁC & LIÊN HỆ */
.luoi-doi-tac { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 640px) { .luoi-doi-tac { grid-template-columns: repeat(4, 1fr); } }
.luoi-doi-tac img { width: 100%; background: #fff; border-radius: var(--bo-nho); transition: transform var(--chuyen); }
.luoi-doi-tac img:hover { transform: translateY(-3px); }
.hop-tac__form { max-width: 880px; }
.lien-he__grid { display: grid; gap: 28px; margin-bottom: 36px; }
@media (min-width: 1024px) { .lien-he__grid { grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; } }
.lien-he__form { background: #fff; border: 1px solid var(--vien); border-radius: var(--bo); padding: 24px; box-shadow: var(--bong); }
@media (min-width: 768px) { .lien-he__form { padding: 32px; } }
.lien-he__info { background: linear-gradient(145deg, var(--xanh-dam), var(--xanh-toi)); color: #fff; border-radius: var(--bo); padding: 28px; }
.lien-he__info a { color: #fff; }
.lien-he__logo { background: #fff; border-radius: 8px; padding: 6px 10px; width: 180px; margin-bottom: 16px; }
.lien-he__cty { color: #fff; font-size: 20px; text-transform: uppercase; }
.lien-he__slogan { margin: 20px 0 0; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .25); font-style: italic; }
.lien-he__ban-do { margin-bottom: 48px; }

/* ------------------------------------------------------------------ FORM */
.form { display: grid; gap: 16px; position: relative; }
.form__hang { display: grid; gap: 16px; }
@media (min-width: 640px) { .form__hang { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-weight: 700; font-size: 15px; }
.field__sao { color: var(--do); }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field input[type="file"], .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 11px 14px; border: 1px solid var(--vien-o-nhap); border-radius: var(--bo-nho);
  background: #fff; font-size: 16px; transition: border-color var(--chuyen), box-shadow var(--chuyen);
}
.field input[type="file"] { padding: 9px 12px; }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--xanh-sang); box-shadow: 0 0 0 3px rgba(21, 104, 206, .2); }
.field [aria-invalid="true"] { border-color: var(--do); box-shadow: 0 0 0 3px rgba(180, 35, 24, .12); }
.field__loi { margin: 0; color: var(--do); font-size: 14px; font-weight: 700; }
.field--check { grid-template-columns: 22px 1fr; align-items: start; gap: 10px; }
.field--check input { width: 20px; height: 20px; margin: 3px 0 0; accent-color: var(--xanh-dam); }
.field--check label { font-weight: 600; }
.field--check .field__loi { grid-column: 2; }
.form__status { margin: 0; padding: 12px 16px; border-radius: var(--bo-nho); font-weight: 700; }
.form__status.is-demo { background: #FFF4DB; color: #6B4200; border: 1px solid #F0B429; }
.form__status.is-ok { background: #ECFDF3; color: var(--xanh-la); border: 1px solid #6CE9A6; }
.form__status.is-loi { background: #FEF3F2; color: var(--do); border: 1px solid #FDA29B; }
.form__status.is-dang-gui { background: var(--xanh-nhat); color: var(--xanh-dam); border: 1px solid #9DB7D6; }
.hp { position: absolute !important; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
/* form 1 dòng ở footer (nền tối) */
.form--ngang { grid-template-columns: 1fr; }
.form--ngang .field label { color: #fff; }
.form--ngang .field__loi { color: #FFD7D2; }
.form--ngang .form__nut .btn { background: var(--xanh-sang); color: #fff; border-color: #fff; width: 100%; }
.form--ngang .form__nut .btn:hover { background: #fff; color: var(--xanh-dam); }
.form--ngang .field--check label { color: #fff; font-size: 14px; }
.form--ngang .field--check { order: 3; }
.form--ngang .form__status { order: 4; }
@media (min-width: 560px) {
  .form--ngang { grid-template-columns: 1fr auto; align-items: end; }
  .form--ngang .form__nut .btn { width: auto; }
  .form--ngang .form__status, .form--ngang .field--check { grid-column: 1 / -1; }
}
.field--check a { font-weight: 700; }
.trang-thong-bao__bieu-tuong { width: 72px; height: 72px; margin: 0 auto 16px; display: grid; place-items: center; color: #fff; background: var(--xanh-dam); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.trang-thong-bao__bieu-tuong--loi { background: #C4320A; }
.trang-thong-bao__bieu-tuong .icon { width: 32px; height: 32px; }
.site-footer .form__status.is-demo { background: #FFF4DB; }
.is-dark .field__sao { color: #FFC2B8; }
.da-chi-tiet .gioi-han-doc { margin-left: 0; }

/* ------------------------------------------------------------------ HỘP THOẠI */
.hop-thoai { border: 0; border-radius: 16px; padding: 0; width: calc(100% - 32px); max-width: 580px; box-shadow: var(--bong-dam); color: var(--chu); }
.hop-thoai::backdrop { background: rgba(6, 30, 60, .62); }
.hop-thoai__dau { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; background: var(--xanh-dam); color: #fff; --focus: #FFD166; }
.hop-thoai__tieu-de { margin: 0; font-weight: 800; font-size: 19px; text-transform: uppercase; }
.hop-thoai__dong { width: 40px; height: 40px; border: 0; border-radius: 8px; background: rgba(255, 255, 255, .15); color: #fff; display: grid; place-items: center; }
.hop-thoai__than { padding: 20px; }
.hop-thoai__mo-ta { color: var(--chu-phu); }

/* ------------------------------------------------------------------ 404 */
.trang-404__inner { text-align: center; max-width: 720px; }
.trang-404__so { font-size: clamp(80px, 16vw, 150px); font-weight: 800; line-height: 1; margin: 0; color: var(--xanh-nhat); -webkit-text-stroke: 3px var(--xanh-dam); }
.trang-404__tieu-de { font-size: clamp(24px, 3vw, 32px); }
.trang-404__link { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 24px; }

/* ------------------------------------------------------------------ chuyển động giảm */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  html, .carousel__track { scroll-behavior: auto; }
}

/* ------------------------------------------------------------------ in ấn */
@media print {
  .site-header, .nut-noi, .len-dau, .cta, .site-footer form, .hero__dieu-khien, .hex-btn { display: none !important; }
  body { color: #000; }
}

/* =====================================================================
   THỊNH PHÁT VINA — logo thật, ảnh thật, vàng đồng, nhân sự, thư viện ảnh, lightbox
   ===================================================================== */
/* logo PNG + chữ bên cạnh (header 84px) */
.logo--that { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--xanh-dam); }
.logo--that .logo__anh { width: auto; height: 52px; }
.logo__chu { display: flex; flex-direction: column; line-height: 1.15; }
.logo__ten { font-weight: 800; font-size: 17px; text-transform: uppercase; letter-spacing: .02em; color: var(--xanh-dam); white-space: nowrap; }
.logo__phu { font-weight: 700; font-size: 12.5px; color: var(--vang-dam); white-space: nowrap; }
@media (min-width: 768px) { .logo--that .logo__anh { height: 60px; } .logo__ten { font-size: 19px; } .logo__phu { font-size: 13.5px; } }
@media (min-width: 1024px) and (max-width: 1359px) { .logo--that .logo__chu { display: none; } }
.logo__chu { min-width: 0; max-width: 210px; }
.logo__ten, .logo__phu { overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 1023px) { .logo--that { min-width: 0; } .logo__chu { max-width: calc(100vw - 150px); } }
@media (max-width: 380px) { .logo__ten { font-size: 15px; } .logo__phu { font-size: 11.5px; } .logo--that .logo__anh { height: 46px; } }
.footer__thuong-hieu { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.footer__logo { width: auto; height: 72px; flex: none; }
.footer__thuong-hieu .footer__ten { margin: 0; }
.lien-he__logo--that { width: auto; height: 72px; background: transparent; padding: 0; }

/* vàng đồng làm màu nhấn phụ */
.tieu-de__deco {
  background: linear-gradient(var(--vang), var(--vang)) left center / 52px 3px no-repeat,
              linear-gradient(var(--vang), var(--vang)) right center / 52px 3px no-repeat;
}
.so-lieu__so { color: var(--vang-sang); }
.khoi__tieu-de::before { background: linear-gradient(var(--xanh-sang) 60%, var(--vang) 60%); }
.cta__hotline-icon { color: var(--xanh-dam); background: var(--vang-sang); }
.hero__tieu-de::after { content: ""; display: block; width: 72px; height: 4px; margin-top: 14px; background: var(--vang-sang); border-radius: 2px; }

/* ảnh thật tỉ lệ bất kỳ: luôn phủ khung, không méo */
.the__anh img, .hero__anh, .banner__anh, .thu-ngo__anh img, .lv-chi-tiet__anh img, .bai-viet__anh img { object-fit: cover; }
.thu-ngo__anh img { aspect-ratio: 4 / 5; height: auto; }
.hero__slide::after {
  background: linear-gradient(90deg, rgba(6, 30, 60, .9) 0%, rgba(6, 30, 60, .7) 45%, rgba(6, 30, 60, .3) 100%);
}
@media (max-width: 767px) { .hero__slide::after { background: linear-gradient(180deg, rgba(6, 30, 60, .55), rgba(6, 30, 60, .88)); } }
.hero__noi-dung { text-shadow: 0 1px 12px rgba(0, 0, 0, .35); }

/* nút mở lightbox */
.nut-lightbox { position: relative; display: block; width: 100%; padding: 0; border: 0; background: var(--xanh-nhat); border-radius: var(--bo-nho); overflow: hidden; cursor: zoom-in; }
.nut-lightbox img { width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .45s ease; }
.nut-lightbox:hover img { transform: scale(1.05); }
.nut-lightbox__icon {
  position: absolute; right: 10px; bottom: 10px; width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 99px; background: rgba(6, 30, 60, .72); color: #fff; opacity: 0; transition: opacity var(--chuyen);
}
.nut-lightbox:hover .nut-lightbox__icon, .nut-lightbox:focus-visible .nut-lightbox__icon { opacity: 1; }

/* section thu-vien-anh: 2 cột mobile, 3 cột desktop */
.thu-vien-anh { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 900px) { .thu-vien-anh { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.thu-vien-anh__muc { margin: 0; }
.thu-vien-anh__mo-ta { margin: 8px 2px 0; font-size: 14px; color: var(--chu-phu); line-height: 1.45; }
.thu-vien-anh--trang-chu .nut-lightbox { box-shadow: var(--bong); border-radius: var(--bo); }

/* section nhan-su: thẻ không ảnh, khối chữ cái đầu */
.luoi-nhan-su { list-style: none; display: grid; gap: 20px; }
@media (min-width: 768px) { .luoi-nhan-su { grid-template-columns: repeat(2, 1fr); } }
.the-nhan-su { display: flex; gap: 18px; align-items: flex-start; background: #fff; border: 1px solid var(--vien); border-top: 4px solid var(--vang); border-radius: var(--bo); padding: 22px; box-shadow: var(--bong); }
.the-nhan-su__chu {
  flex: none; width: 64px; height: 72px; display: grid; place-items: center; font-weight: 800; font-size: 22px; letter-spacing: .02em;
  color: #fff; background: var(--xanh-dam); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.the-nhan-su__than { min-width: 0; }
.the-nhan-su__ten { font-size: 19px; margin: 0 0 2px; }
.the-nhan-su__chuc { margin: 0 0 10px; font-weight: 700; color: var(--vang-dam); }
.the-nhan-su__mo-ta { font-size: 15px; color: var(--chu-phu); }
.the-nhan-su__mo-ta ul { padding-left: 18px; margin: 0; }
.the-nhan-su__mo-ta p:last-child { margin-bottom: 0; }

/* lightbox */
.lightbox { border: 0; padding: 0; margin: 0; width: 100vw; height: 100vh; max-width: 100vw; max-height: 100vh; background: rgba(4, 18, 38, .94); color: #fff; --focus: #FFD166; }
.lightbox::backdrop { background: rgba(4, 18, 38, .6); }
.lightbox__khung { position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; padding: 64px 16px 64px; }
@media (min-width: 768px) { .lightbox__khung { padding: 64px 88px; } }
.lightbox__hinh { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.lightbox__anh { max-width: 100%; max-height: calc(100vh - 160px); width: auto; height: auto; object-fit: contain; border-radius: 6px; box-shadow: 0 10px 40px rgba(0, 0, 0, .5); }
.lightbox__mo-ta { text-align: center; font-size: 15px; max-width: 70ch; }
.lightbox__dem { position: absolute; left: 16px; top: 18px; margin: 0; font-size: 14px; font-weight: 700; }
.lightbox__nut { position: absolute; width: 48px; height: 48px; border: 0; border-radius: 99px; display: grid; place-items: center; color: #fff; background: rgba(255, 255, 255, .16); }
.lightbox__nut:hover { background: var(--xanh-sang); }
.lightbox__nut .icon { width: 24px; height: 24px; }
.lightbox__dong { top: 8px; right: 12px; }
.lightbox__truoc { left: 12px; top: 50%; transform: translateY(-50%); }
.lightbox__sau { right: 12px; top: 50%; transform: translateY(-50%); }
@media (max-width: 767px) {
  .lightbox__truoc, .lightbox__sau { top: auto; bottom: 8px; transform: none; }
  .lightbox__truoc { left: calc(50% - 60px); }
  .lightbox__sau { right: calc(50% - 60px); }
}

/* dự án nổi bật với ảnh thật dọc/ngang: cột không bị kích thước ảnh gốc kéo lệch */
@media (min-width: 900px) { .du-an-noi-bat__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
@media (min-width: 560px) { .du-an-noi-bat__nho { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.du-an-noi-bat__nho > li, .du-an-noi-bat__lon { min-width: 0; }
.du-an-noi-bat .the-da .the__anh { position: relative; width: 100%; height: auto; }
.du-an-noi-bat .the-da .the__anh img { position: absolute; inset: 0; width: 100%; height: 100%; }
@media (min-width: 900px) {
  .du-an-noi-bat .the-da--lon .the__anh { aspect-ratio: auto; height: 100%; min-height: 460px; }
}
.du-an-noi-bat__nho .the__meta { flex-direction: column; flex-wrap: nowrap; gap: 2px; min-width: 0; }
.du-an-noi-bat__nho .the__meta li { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.du-an-noi-bat__nho .the__meta .icon { margin-right: 6px; vertical-align: -3px; }
.du-an-noi-bat__nho .the__ten { display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Nút gọi nhanh / Zalo cạnh form liên hệ */
.lien-he__nhanh-gt { margin: 0 0 10px; color: var(--chu-nhat, #555); }
.lien-he__nhanh { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.lien-he__nhanh .btn { gap: 8px; }
.lien-he__nhanh-hoac { margin: 0 0 14px; color: var(--chu-nhat, #555); }